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<title>Philip Sun</title>
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<p align="center"> <font size="6"><font color="#FFFFFF"> </font><font color="#FF0000">
R/C Controller for Retractable Landing Gear</font></font></p>
<p align="center"><font color="#FF0000" size="6">V2.0 </font><font size="5" color="#FFFFFF">add</font><font size="5" color="#FFFF00">
Anti-Collision Strobe Light & Landing Lights</font></p>
<p align="left">
<font face="Verdana" size="3">V 2.0</font>
</p>
<p align="left"><font face="Verdana" size="3">Friend say "need landing
too", I think "why not". So we have V2.0 now.</font>
</p>
<p align="left"><font face="Verdana" size="3">I add <font color="#FFFF00">Anti-Colliosion
Strobe Light </font>(ACSL1 & ACSL2) which flash alternative, every 0.6 (half
cycle) and , of course, you may change this. Just change the T5 var. in the ASM
file and re-assemble it to HEX</font>
</p>
<p align="left"><font face="Verdana" size="3">The <font color="#FFFF00">Lading
light</font> 1 (LL1) active HIGH when gear down, the LL2 is invert of LL1, in
case your gear is reverse. The loading current limit of these pins are 25mA@,
please ref. the <a href="RCC_E.htm">Multi-Function R/C Controller</a> </font>
</p>
<p align="left"><font face="Verdana" size="3">Add these options need only few
instructions, in ASM file I mark those with ***, and K5, K6 sections</font>
</p>
<p align="left"><font face="Verdana" size="3">Here is a <a href="LG_A2.zip">testing
video</a> </font>
</p>
<p align="left">
<font face="Verdana" size="3">---------------------------------------------------------------------</font>
</p>
<p align="left">
<font face="Verdana" size="3">V 1.0</font>
</p>
<p align="left"> <font face="Verdana" size="3">Is your R/C aircraft Retractable Landing Gear
move too fast ?V1.0</font></p>
<p align="left"><font face="Verdana" size="3">I design this to make Retractable Landing Gear
take 4 seconds to move from side to side.</font></p>
<p align="left">
<font face="Verdana" size="3">This simple design use only one PIC12C508A </font></p>
<p align="left"><font face="Verdana" size="3">Program the PIC with the HEX file,
and find an extended line for servo. Cut the extended line at center, make your
welding work. Now you have all you need. Connect the extended line between
receiver and servo, that's all.</font></p>
<p align="left"><font face="Verdana" size="3">If you don't like 4 seconds, the
ASM file is for you. just change the <T2> value and loop delay in
<k4> section. but make sure (T2* loop's uS)=1000 uS , because servo accept
1.5 mS +- 0.5 mS. and (T2 / 50) would be the time it take from side to
side. </font></p>
<p align="left"><font face="Verdana" size="3"><a href="LG_E_1.htm">How it work ?</a></font></p>
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